code: def test_save_npy():
      path = "./tests/fixtures/generated_outputs/array.npy"
      _remove(path)
      save(array1, path)
      assert os.path.isfile(path)
      re_read_array = np.load(path)
      assert np.array_equal(array1, re_read_array)
  
imports: import time
  import pytest
  import numpy
  from lucid.misc.io.saving import save, CaptureSaveContext, batch_save
  from lucid.misc.io.loading import load
  from lucid.misc.io.scoping import io_scope, current_io_scopes
  from concurrent.futures import ThreadPoolExecutor
  import os.path
  import io
  import tensorflow
label_desc: Use image node_id 3 for calling a global function with example usage: test_save_npy() without return types